Re: [PATCH v1 2/2] scsi: pm80xx: Add pm80xx_mpi_build_cmd tracepoint

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Hi Changyuan,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on mkp-scsi/for-next]
[also build test WARNING on jejb-scsi/for-next v5.15-rc7 next-20211026]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Changyuan-Lyu/This-patchset-adds-tracepoints-to-pm80xx/20211021-054356
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next
config: alpha-randconfig-s032-20211027 (attached as .config)
compiler: alpha-linux-gcc (GCC) 11.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://github.com/0day-ci/linux/commit/b48fdd621388924781f93fff019ef42bd9f22c60
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Changyuan-Lyu/This-patchset-adds-tracepoints-to-pm80xx/20211021-054356
        git checkout b48fdd621388924781f93fff019ef42bd9f22c60
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=alpha 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>


sparse warnings: (new ones prefixed by >>)
>> drivers/scsi/pm8001/pm8001_hwi.c:1331:51: sparse: sparse: incorrect type in argument 6 (different base types) @@     expected unsigned int [usertype] ci @@     got restricted __le32 [usertype] consumer_index @@
   drivers/scsi/pm8001/pm8001_hwi.c:1331:51: sparse:     expected unsigned int [usertype] ci
   drivers/scsi/pm8001/pm8001_hwi.c:1331:51: sparse:     got restricted __le32 [usertype] consumer_index
   drivers/scsi/pm8001/pm8001_hwi.c:1866:36: sparse: sparse: invalid assignment: |=
   drivers/scsi/pm8001/pm8001_hwi.c:1866:36: sparse:    left side has type restricted __le32
   drivers/scsi/pm8001/pm8001_hwi.c:1866:36: sparse:    right side has type int
   drivers/scsi/pm8001/pm8001_hwi.c:4661:35: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [addressable] [assigned] [usertype] ds_ads_m @@     got int @@
   drivers/scsi/pm8001/pm8001_hwi.c:4661:35: sparse:     expected restricted __le32 [addressable] [assigned] [usertype] ds_ads_m
   drivers/scsi/pm8001/pm8001_hwi.c:4661:35: sparse:     got int

vim +1331 drivers/scsi/pm8001/pm8001_hwi.c

  1307	
  1308	/**
  1309	 * pm8001_mpi_build_cmd- build the message queue for transfer, update the PI to
  1310	 * FW to tell the fw to get this message from IOMB.
  1311	 * @pm8001_ha: our hba card information
  1312	 * @circularQ: the inbound queue we want to transfer to HBA.
  1313	 * @opCode: the operation code represents commands which LLDD and fw recognized.
  1314	 * @payload: the command payload of each operation command.
  1315	 * @nb: size in bytes of the command payload
  1316	 * @responseQueue: queue to interrupt on w/ command response (if any)
  1317	 */
  1318	int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
  1319				 struct inbound_queue_table *circularQ,
  1320				 u32 opCode, void *payload, size_t nb,
  1321				 u32 responseQueue)
  1322	{
  1323		u32 Header = 0, hpriority = 0, bc = 1, category = 0x02;
  1324		void *pMessage;
  1325		unsigned long flags;
  1326		int q_index = circularQ - pm8001_ha->inbnd_q_tbl;
  1327		int rv;
  1328		u32 htag = le32_to_cpu(*(__le32 *)payload);
  1329	
  1330		trace_pm80xx_mpi_build_cmd(pm8001_ha->id, opCode, htag, q_index,
> 1331			circularQ->producer_idx, circularQ->consumer_index);
  1332	
  1333		WARN_ON(q_index >= PM8001_MAX_INB_NUM);
  1334		spin_lock_irqsave(&circularQ->iq_lock, flags);
  1335		rv = pm8001_mpi_msg_free_get(circularQ, pm8001_ha->iomb_size,
  1336				&pMessage);
  1337		if (rv < 0) {
  1338			pm8001_dbg(pm8001_ha, IO, "No free mpi buffer\n");
  1339			rv = -ENOMEM;
  1340			goto done;
  1341		}
  1342	
  1343		if (nb > (pm8001_ha->iomb_size - sizeof(struct mpi_msg_hdr)))
  1344			nb = pm8001_ha->iomb_size - sizeof(struct mpi_msg_hdr);
  1345		memcpy(pMessage, payload, nb);
  1346		if (nb + sizeof(struct mpi_msg_hdr) < pm8001_ha->iomb_size)
  1347			memset(pMessage + nb, 0, pm8001_ha->iomb_size -
  1348					(nb + sizeof(struct mpi_msg_hdr)));
  1349	
  1350		/*Build the header*/
  1351		Header = ((1 << 31) | (hpriority << 30) | ((bc & 0x1f) << 24)
  1352			| ((responseQueue & 0x3F) << 16)
  1353			| ((category & 0xF) << 12) | (opCode & 0xFFF));
  1354	
  1355		pm8001_write_32((pMessage - 4), 0, cpu_to_le32(Header));
  1356		/*Update the PI to the firmware*/
  1357		pm8001_cw32(pm8001_ha, circularQ->pi_pci_bar,
  1358			circularQ->pi_offset, circularQ->producer_idx);
  1359		pm8001_dbg(pm8001_ha, DEVIO,
  1360			   "INB Q %x OPCODE:%x , UPDATED PI=%d CI=%d\n",
  1361			   responseQueue, opCode, circularQ->producer_idx,
  1362			   circularQ->consumer_index);
  1363	done:
  1364		spin_unlock_irqrestore(&circularQ->iq_lock, flags);
  1365		return rv;
  1366	}
  1367	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip


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